AQUACHEK 4-In-1 Yellow Chlorine Test Strip 50 Strips per Bottle

AquaChek 4‑In‑1 Yellow Chlorine Test Strips (50ct) are a convenient, quick, and reliable solution for maintaining balanced and safe pool and spa water. Each strip tests four essential water quality parameters: free chlorine, total alkalinity, pH, and cyanuric acid (stabilizer). With a simple 15-second dip and a color comparison to the included chart, you get clear, actionable results without any guesswork. Ideal for both homeowners and pool service professionals, these test strips simplify pool chemistry testing into a single, easy step. No reagents, no liquid fills—just dip, wait, and match. The compact bottle keeps all 50 strips secure and helps maintain accuracy for up to six months from the opening date. Regular testing with AquaChek Yellow strips helps prevent problems like algae growth, corrosion, scaling, and cloudy water. Accurate monitoring of sanitizer and pH balance ensures a safe and inviting swimming environment while protecting pool equipment and finishes. These easy-to-u